-41.25% is the change from 834 to 490
Calculation steps:
[( 490 - 834 ) ÷ 834] x 100 = -41.25%
Formula
Percentage change = [(490 - 834) / 834] x 100
Subtract the new number by the original number
490 - 834 = -344
-344 ÷ 834 = -0.41247002398081534
-0.41247002398081534 x 100 = -41.25%